Bug#791142: libmusicbrainz5: library transition may be needed when GCC 5 is the default
sramacher at debian.org
Sat Jul 11 16:03:22 UTC 2015
Control: tags -1 + pending
On 2015-07-03 13:11:46, Matthias Klose wrote:
> Package: src:libmusicbrainz5
> Version: 5.1.0-3
> Severity: important
> Tags: sid stretch
> User: debian-gcc at lists.debian.org
> Usertags: libstdc++-cxx11
> Background : libstdc++6 introduces a new ABI to conform to the
> C++11 standard, but keeps the old ABI to not break existing binaries.
> Packages which are built with g++-5 from experimental (not the one
> from testing/unstable) are using the new ABI. Libraries built from
> this source package export some of the new __cxx11 or B5cxx11 symbols,
> and dropping other symbols. If these symbols are part of the API of
> the library, then this rebuild with g++-5 will trigger a transition
> for the library.
> What is needed:
> - Rebuild the library using g++/g++-5 from experimental. Note that
> most likely all C++ libraries within the build dependencies need
> a rebuild too. You can find the log for a rebuild in
> Search for "BEGIN GCC CXX11" in the log.
> - Decide if the symbols matching __cxx11 or B5cxx11 are part of the
> library API, and are used by the reverse dependencies of the
Yes, the symbols are part of the API and are used by reverse dependencies.
> - If a library transition is needed, please prepare for the change.
> Rename the library package, append "v5" to the name of the package
> (e.g. libfoo2 -> libfoo2v5).
A version bumping the SONAME has been uploaded to experimental. I'll file a
transition bug once it passed NEW.
-------------- next part --------------
A non-text attachment was scrubbed...
Size: 819 bytes
Desc: Digital signature
More information about the pkg-multimedia-maintainers